BATTERY PACK FOR AN ELECTRONIC DEVICE

摘要

A battery pack for providing power to an electronic device which includes a rechargeable battery, a non-power line power source, and a circuit configured to selectively deliver direct current (DC) power from the non-power line source to at least one of the rechargeable battery and to the device based on communication between the electronic device and the battery pack. The electronic device can deliver system power to the device from at least one of an alternating current (AC) power source, a battery and one or more non-power line sources based on power detected from one or more of the power sources.